ucfdiver
Contributor
That's actually not how it's done for grade 3c maps, and since they're just surveying the basin, I'd assume they want to shoot for very high quality.
http://en.wikipedia.org/wiki/Cave_survey#BCRA_gradings_for_recording_cave_passage_detail
John, any chance you're willing to fly to FL for a weekend survey course? I bet you could pay Mike Poucher to do an informal course, he's known for being the best of the best when it comes to high quality survey.
http://en.wikipedia.org/wiki/Cave_survey#BCRA_gradings_for_recording_cave_passage_detail
John, any chance you're willing to fly to FL for a weekend survey course? I bet you could pay Mike Poucher to do an informal course, he's known for being the best of the best when it comes to high quality survey.